x = int(input())

Level = [i for i in range(400, 2000, 200)]

ans = 9
for level in Level:
    if x >= level:
        ans -= 1
print(ans) x = int(input()) x int(input()) int input() input i for i in range(400, 2000, 200) for i in range(400, 2000, 200) i range(400, 2000, 200) range 400 2000 200 for i in range(400, 2000, 200) i Level = [i for i in range(400, 2000, 200)] Level [i for i in range(400, 2000, 200)] ans = 9 ans 9 for level in Level:
    if x >= level:
        ans -= 1 level Level if x >= level:
        ans -= 1 x >= level x level ans -= 1 ans 1 print(ans) print ans ans = 9 9 ans Level = [i for i in range(400, 2000, 200)] [i for i in range(400, 2000, 200)] Level x = int(input()) int(input()) x ans -= 1 1 ans
x = int(input())

Level = [i for i in range(400, 2000, 200)]

ans = 9
for level in Level:
    if x >= level:
        ans -= 1
print(ans)